Best Authentication Products in 2025

Google Authenticator is a multifactor app for mobile devices.

Key Google Authenticator features:

Enhanced Security Offline Access Compatibility Free of Charge

free

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Key Authy features:

Multi-device synchronization Encrypted backups Offline usage capability Desktop app available

Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Key Duo Security features:

Easy Integration User-Friendly Comprehensive MFA Options Strong Security Features

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

Key Azure Multi-Factor Authentication features:

Enhanced Security Flexible Authentication Options Integration with Microsoft Services Compliance Support

Auth0 is a program for people to get authentication and authorization services for their own business use.

Key Auth0 features:

Ease of Use Security Scalability Customization

Open Source

One app to quickly and securely verify your identity online, for all of your accounts.

Key Microsoft Authenticator features:

Enhanced Security Ease of Use Integration with Microsoft Ecosystem Push Notifications

LastPass is an online password manager and form filler that makes web browsing easier and more secure.

Key LastPass Authenticator features:

Security Ease of Use Compatibility Backup and Restore

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...

Key Aegis Authenticator features:

Open Source No Ads or Tracking Secure Backup Options Import/Export Options

LastPass is an online password manager and form filler that makes web browsing easier and more secure.

Key Lastpass features:

Security Convenience Cross-Platform Support Password Generator

Authenticator is a simple, free, and open source two-factor authentication app.

Key Authenticator features:

Open Source Privacy-Focused Simple User Interface Local Storage

Open Source

AuthPoint multi-factor authentication (MFA) provides the security you need to protect your assets, accounts, and information. Let your company work confidently and worry-free with the powerful protection of AuthPoint.

Key AuthPoint Multi-Factor Authentication features:

Increased Security Ease of Use Flexible Integration Cloud-Based Management

How to enable 2 step verification for your accounts? Check our step-by-step guides to easily activate 2FA in all your accounts.

free

Open Source Identity and Access Management for modern Applications and Services.

Key Keycloak features:

Open-Source Feature-Rich Customizability Integration Capability

Open Source